Memory and Picture Viewing Study (MPVS)
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Purpose
The purpose of this study is to obtain a database of brain function from a sample of non-smokers while they do tasks in an MRI (magnetic resonance imaging) machine. Our hypothesis is that among nonsmokers, reactivity to smoking cues will be highly similar to control cues but may vary as a function of attitudes toward smoking and/or family history of smoking. We also hypothesize that brain activity during the n-back task will be more similar to data collected during this task when smokers are not abstinent.
| Condition |
|---|
|
Healthy Brain Reactivity of Non-smokers Undergoing fMRI Scanning |
| Study Type: | Observational |
| Study Design: | Observational Model: Cohort Time Perspective: Prospective |
| Official Title: | Memory and Picture Viewing Study |
- brain reactivity [ Time Frame: 3 weeks ] [ Designated as safety issue: No ]
Biospecimen Retention: Samples With DNA
saliva, blood
| Enrollment: | 116 |
| Study Start Date: | July 2008 |
| Study Completion Date: | November 2011 |
| Primary Completion Date: | November 2011 (Final data collection date for primary outcome measure) |
| Groups/Cohorts |
|---|
|
A
non-smokers
|
Detailed Description:
Thirty six non-smokers will undergo functional magnetic resonance imaging (fMRI) scanning. During scanning participants will complete the n-back task-a measure of working memory-and the cue-reactivity task-a measure of responses to smoking cues. Before scanning, participants will complete a training session where they will be familiarized with the tasks.
All participants will have to pass a screening visit in order to be included in the study.
Eligibility| Ages Eligible for Study: | 18 Years to 55 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
| Sampling Method: | Probability Sample |
generally healthy, right-handed non-smokers, between the ages of 18-55, having smoked less than 50 cigarettes in their lifetime
Inclusion Criteria:
- generally healthy
- right-handed non-smokers
- between the ages of 18-55
- an expired CO concentration of 5 ppm or less; or a negative urine cotinine test of 100 ng/mL or less (to confirm a non-smoker)
- having smoked < 50 cigarettes in their lifetime
Exclusion Criteria:
- inability to attend all sessions
- significant health problems (hypertension, emphysema, seizure disorder, history of significant heart problems)
- use of psychoactive medications
- use of any tobacco or nicotine containing products
- current alcohol or drug abuse
- use of illegal drugs as measure by a urine drug screen
- presence of conditions that would make MRI unsafe (pacemaker, metallic implants
Contacts and Locations| United States, North Carolina | |
| Duke University Medical Center | |
| Durham, North Carolina, United States, 27705 | |
| Principal Investigator: | Joseph McClernon, PhD | Duke University |
More Information
No publications provided
| Responsible Party: | Duke University |
| ClinicalTrials.gov Identifier: | NCT00736203 History of Changes |
| Other Study ID Numbers: | Pro00008250 |
| Study First Received: | August 13, 2008 |
| Last Updated: | February 6, 2013 |
| Health Authority: | United States: Institutional Review Board |
Keywords provided by Duke University:
|
fMRI non-smokers |
ClinicalTrials.gov processed this record on May 19, 2013